US Patent Issued to Amrize Technology Switzerland on March 3 for "Ultra-high performance concretes with high early strength" (Swiss Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,449, issued on March 3, was assigned to Amrize Technology Switzerland LLC (Zug, Switzerland).

"Ultra-high performance concretes with high early strength" was invented by Pipat Termkhajornkit (Holderbank, Switzerland), Caroline Meulenyzer (Holderbank, Switzerland) and Mohamed-Amine Handour (Holderbank, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic composition includes in relative parts by mass with respect to first Portland cement: 100 parts of a first Portland cement the particles of which have a D50 between 10 and 25 micro metre; from 25 to 76 parts of a second Portland cement the particles of which have a D50 between 0.5 a...